Navigation Links
New materials may bring advanced optical technologies, cloaking
Date:1/25/2011

WEST LAFAYETTE, Ind. - Researchers are developing a new class of "plasmonic metamaterials" as potential building blocks for advanced optical technologies, including ultrapowerful microscopes and computers, improved solar cells, and a possible invisibility cloak.

The new materials could make possible "nanophotonic" devices for numerous applications, said Alexandra Boltasseva, an assistant professor of electrical and computer engineering at Purdue University.

Unlike natural materials, metamaterials may possess an index of refraction less than one or less than zero. Refraction occurs as electromagnetic waves, including light, bend when passing from one material into another. It causes the bent-stick-in-water effect, which occurs when a stick placed in a glass of water appears crooked when viewed from the outside.

Being able to create materials with an index of refraction that's negative or between one and zero promises a range of potential breakthroughs in a new field called transformation optics. However, development of new technologies using metamaterials has been hindered by two major limitations: too much light is "lost," or absorbed by metals such as silver and gold contained in the metamaterials, and the materials need to be more precisely tuned so that they possess the proper index of refraction.

Now, researchers are proposing a new approach to overcome these obstacles. Findings will be detailed in an article appearing Friday (Jan. 21) in the journal Science. The article was written by Boltasseva and Harry Atwater, Howard Hughes Professor and a professor of applied physics and materials science at the California Institute of Technology.

The researchers are working to replace silver and gold in materials that are created using two options: making semiconductors more metallic by adding metal impurities to them; or adding non-metallic elements to metals, in effect making them less metallic. Examples of thes
'/>"/>

Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
Source:Eurekalert  

Page: 1 2

Related biology technology :

1. Carbon-Based Nano-Materials and Devices Conference
2. Nanomechanical Testing in Materials Research and Development
3. Strange new twist: Berkeley researchers discover Möbius symmetry in metamaterials
4. Iowa State, Ames Lab physicist developing, improving designer optical materials
5. Nano squid skin: DOD awards $6M for metamaterials research
6. Using new materials to make more reliable nanoelectromechanical systems
7. Georgia Techs Walt de Heer awarded Materials Research Society Medal
8. Wiley-VCH launches new journal Advanced Energy Materials
9. Reportlinker Adds Next Generation U.S. and E.U. Biomaterials/BioMedical Devices: Market Trends & Commercial Implications
10. Cypress Denies Ramius Legal Right to Stockholder List Materials
11. NASA funds development of nanoscale materials for high energy density lithium-ion batteries
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New materials may bring advanced optical technologies, cloaking
(Date:5/26/2015)... May 26, 2015 Global Stem ... announced plans for the company’s first cellular and regenerative ... by a full day, hands-on stem cell training class ... Victor Garcia Gimenez, M.D., President of Therapeutic Confrontations (CONFTERA) ... community’s increasing interest in regenerative medicine and recent advances ...
(Date:5/26/2015)... FORT WORTH, Texas , May 26, 2015 /PRNewswire-USNewswire/ ... North Texas Health Science Center to detect early Alzheimer,s ... screen older adults. Detailed standardized guidelines that ... in practice have been published in Alzheimer,s & ... continued efforts of an international working group that includes ...
(Date:5/26/2015)... , 26. mája 2015 ... mene svojej rodiny prezidentom Barackovi Obamovi a Billovi ... súvislosti so stratou Dr. Rongxiang Xu , ... http://photos.prnewswire.com/prnh/20150522/218111 Dr. Xu bol pionier, ... a jeho odhodlanie v oblasti vedy a príkladné ...
(Date:5/26/2015)... JERUSALEM , May 26, 2015 ... http://www.oramed.com ), a clinical-stage pharmaceutical company focused on the ... it has submitted the study protocol for the company,s ... to the U.S. Food and Drug Administration (FDA). The ... Drug (IND) application. The Phase IIb study ...
Breaking Biology Technology:Stem Cell Training, Inc. Announces First European Symposium on Cellular and Regenerative Medicine 2Stem Cell Training, Inc. Announces First European Symposium on Cellular and Regenerative Medicine 3Guidelines bring UNT Health Science Center's blood test for Alzheimer's one step closer 2Dr. Rongxiang Xu, O legende 2Oramed Submits Protocol to U.S. FDA for Its Phase IIb Oral Insulin Study 2Oramed Submits Protocol to U.S. FDA for Its Phase IIb Oral Insulin Study 3
... /PRNewswire-Asia-FirstCall/ -- China Medical Technologies,Inc. (the "Company") (Nasdaq: CMED ... markets advanced in-vitro diagnostic,products, today announced that it will attend ... to October 31, 2009 in Chengdu,China. , , ... 62nd China International Medical Equipment Fair, Date: ...
... a failed terrorist attack in 2006, plane passengers have not ... airports, leaving some parched at the airport and others having ... in Germany is paving the way to eliminate this necessary ... in IOP Publishing,s Superconductor Science and Technology explains ...
... SAN DIEGO, Oct. 20 NuVasive, Inc. ... developing products for minimally disruptive surgical treatments for the spine, ... 2009. , NuVasive reported third quarter revenue of $94.9 million, ... quarter 2008 and a 7.3% increase over the $88.5 million ...
Cached Biology Technology:China Medical Technologies to Exhibit its Products at China International Medical Equipment Fair in Chengdu, China 20.2 second test for explosive liquids 2NuVasive Reports Third Quarter 2009 Financial Results 2NuVasive Reports Third Quarter 2009 Financial Results 3NuVasive Reports Third Quarter 2009 Financial Results 4NuVasive Reports Third Quarter 2009 Financial Results 5NuVasive Reports Third Quarter 2009 Financial Results 6NuVasive Reports Third Quarter 2009 Financial Results 7NuVasive Reports Third Quarter 2009 Financial Results 8NuVasive Reports Third Quarter 2009 Financial Results 9NuVasive Reports Third Quarter 2009 Financial Results 10NuVasive Reports Third Quarter 2009 Financial Results 11NuVasive Reports Third Quarter 2009 Financial Results 12
(Date:5/14/2015)... 2015 Research and Markets ( http://www.researchandmarkets.com/research/5whpxg/fingerprint ... Sensors Market in Smart Mobile Devices " report ... 2014 was a watershed year for fingerprint sensors in ... Pay,. Apple gave fingerprint sensors a raison d,etre in ... sensors are a must-have feature in flagship smartphones. ...
(Date:5/11/2015)...  Through a well-rounded UAS delegation representing private industry, government, ... showing at AUVSI,s Unmanned 2015 conference last week in ... UAS industry met with over 200 hundred people ... the UAS ecosystem. "Our message is clear ... Aerospace Rich Knoll . "If you want to fly ...
(Date:5/8/2015)... May 8, 2015 Synaptics Inc. (NASDAQ: SYNA ... that members of the executive management team will present at ... Technology, Media and Telecom Conference Date: May 18, 2015 ... Boston, MA Cowen and Company ... 2:45pm ET Location: The New York Palace Hotel, ...
Breaking Biology News(10 mins):Global Smart Mobile Devices Fingerprint Sensors Market 2015-2019: Key Vendors are Authentec, Validity Sensors, Fingerprint Cards, Next Biometrics Group. IDEX, and Qualcomm 2Ohio Flies High at Unmanned '15, Sets Stage for Ohio UAS Conference 2Synaptics to Present at Upcoming Investor Conferences 2
... to visualize more of the arteries in the lungs, ... seeing more may have little impact on the patient's ... 198 patients with suspected pulmonary embolism. About half of ... 100 patients had a single-detector CT examination. The radiology ...
... process that repairs damage to the human genome, ... helped establish a method of gene therapy that ... genes. , The findings are available online in ... process known as homologous recombination, Dr. Matthew Porteus ...
... countries of sub-Saharan Africa are threatened daily by a ... disease is caused by organisms called trypanosomes, which are ... approximately 500,000 people in sub-Saharan Africa, a quarter of ... an exceptional genetic strategy for evading the human immune ...
Cached Biology News:Newer imaging techniques may lead to over-treatment 2Researchers pioneer new gene therapy technique using natural repair process 2Researchers pioneer new gene therapy technique using natural repair process 3Breakthrough System for Understanding Ocean Plant Life Announced 2
I-Ab MHC Class II...
... 60 mm Culture Dishes BD BioCoat Collagen ... with a uniform application of rat tail collagen ... I ,Surface : ECM/attachment factors ... nominal : 60 mm x 15 mm ...
The piston kit includes 2 pistons to service one F10 pump of a BioLogic DuoFlow workstation....
BD BioCoat BD MatrigelTM Matrix 100 mm Culture Dishes for hepatocytes, tissue-culture treated polystyrene with a uniform application of MATRIGEL Matrix....
Biology Products: